
class Teste {

    public static void main(String[] a){
		System.out.println(new Fac().ComputeFac(10));

    }

	// teste
}
	/*teste */
	class Fac {

	    public int ComputeFac(int num){
		int num_aux ;
		Fac fac;
		
		Fac[true] = false;
		
		if (num < 1)
		    num_aux = 1 ;
		else 
		    num_aux = num * (this.ComputeFac(num-1)) ;
		return num_aux ;
	    }

	}


